For temporary relief from anal itching, you can apply an over-the-counter 1% hydrocortisone cream sparingly twice daily, but limit its use to 7 days to avoid skin thinning. Alternatively, a protective barrier cream containing zinc oxide can soothe the irritation. Keep the area clean and dry by washing gently with plain water?avoiding harsh soaps?and patting dry with a soft towel. Wear loose cotton underwear and avoid scratching. If your symptoms persist for more than a week, or if you notice bleeding or pain, please consult a healthcare professional to identify the exact cause, such as hemorrhoids, fissures, or a fungal infection.

Vulvar itching can result from multiple causes, such as irritation, allergic reactions, fungal infections, dryness, or skin conditions like dermatitis, and the appropriate treatment depends on identifying the exact cause. Hydrocortisone 1% is a mild steroid that may reduce inflammation and itching, but it should not be used on the vulvar area without a proper medical evaluation, especially if the cause is unclear. Using it without diagnosis may mask an infection or delay correct treatment. It is important to consult a gynaecologist or dermatologist for proper examination and appropriate treatment based on the underlying cause.

A rash on both forearms is very common and usually highly treatable. For itching and mild inflammation, you can apply generic hydrocortisone 1% cream twice daily. If an allergic reaction is suspected, an oral antihistamine like cetirizine or loratadine can provide daytime relief, while diphenhydramine can help if itching keeps you awake at night. Applying a gentle, unscented moisturizer containing colloidal oatmeal will also help soothe the skin barrier. Try to avoid scratching to prevent irritation. If the rash worsens, spreads quickly, or is accompanied by a fever, please see a doctor for a professional evaluation.

Your symptoms?specifically the location on your inner ankle and color changes with temperature?strongly suggest stasis dermatitis (related to poor circulation) rather than a drug allergy or standard contact dermatitis, though varicose eczema is possible. Before starting any medicated creams, you need a professional evaluation to check your leg veins. For relief, keep the skin moisturized with a fragrance-free emollient, avoid hot water, and elevate your legs when resting. If diagnosed, a doctor may prescribe a mild topical steroid cream (like hydrocortisone) to reduce inflammation and recommend compression stockings. Please consult a physician for an accurate diagnosis.

Chronic itching around the anus, especially when it persists for several months and begins affecting both sides, can be caused by various factors such as dermatologic conditions (e.g., eczema, psoriasis, or fungal infections), haemorrhoids, anal fissures, intestinal infections, poor hygiene, or allergic reactions to products. Given that your symptoms have lasted for 10 months and are spreading, it's important to consult a healthcare provider for a thorough evaluation. A physical examination and further tests are necessary to identify the underlying cause and determine the most appropriate treatment, as self-diagnosis and over-the-counter medications may not address the root cause and could worsen the condition.

Since your blood tests are normal, your dark circles may be due to genetics, allergies, or thin skin. The itchy neck suggests possible contact dermatitis or mild eczema. For the neck itching, you can apply an over-the-counter mild hydrocortisone cream (1%) sparingly for a few days and take an oral antihistamine like Cetirizine. Keep the neck well-moisturised with a gentle, fragrance-free cream. For dark circles, use a daily sunscreen and eye creams containing Vitamin C, caffeine, or retinol. Please consult a dermatologist for a physical evaluation to identify specific allergic triggers and get a tailored treatment plan.